Charging fuse warning

So, as usual, I had a few spare parts in differing configs. The style of fuse I used was a mini screw on type. So, I try to charge, nothing. Is my charger dead? So, I take off my enclosure, and the fuse holder looks fine. IT AINT. It had over time, become brittle and hard. And when I fingered it, it split in two.

I use three amp charger. And so, I changed to tthe blade type, soldered on, and superglued to side. All good. But it should be noted, that a plastic bodied fuse holder is a danger.

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